(19)
(11) EP 4 045 176 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
03.04.2024 Bulletin 2024/14

(45) Mention of the grant of the patent:
05.07.2023 Bulletin 2023/27

(21) Application number: 20793136.1

(22) Date of filing: 16.10.2020
(51) International Patent Classification (IPC): 
B01D 53/94(2006.01)
B01J 23/89(2006.01)
B01J 35/00(2024.01)
F01N 3/10(2006.01)
B01J 29/78(2006.01)
 B01J 23/656(2006.01)
B01J 29/76(2006.01)
B01J 37/02(2006.01)
F01N 3/20(2006.01)
F01N 13/16(2010.01)
(52) Cooperative Patent Classification (CPC):
B01D 53/9436; B01D 2251/2062; B01D 2255/102; B01D 2255/2073; B01D 2255/20738; B01D 2255/20761; B01D 2255/50; B01D 2255/9022; B01D 2255/9032; B01D 2255/9035; B01D 2258/012; B01J 29/783; F01N 3/106; F01N 13/16; F01N 2370/02; F01N 2370/04; F01N 2510/00; F01N 2510/06; F01N 2510/068; F01N 2570/18; Y02A 50/20; Y02T 10/12; B01J 35/19; B01J 35/396
(86) International application number:
PCT/GB2020/052625
(87) International publication number:
WO 2021/074652 (22.04.2021 Gazette 2021/16)

(54)

COMPOSITE, ZONE-COATED, DUAL-USE AMMONIA (AMOX) AND NITRIC OXIDE OXIDATION CATALYST

ZUSAMMENGESETZTER ZONENBESCHICHTETER DOPPELZWECK-KATALYSATOR ZUR OXIDATION VON AMMONIAK (AMOX) UND STICKOXID

CATALYSEUR D'OXYDATION D'OXYDE NITRIQUE ET D'AMMONIAC À DOUBLE USAGE (AMOX), REVÊTU PAR ZONE, COMPOSITE

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 16.10.2019 GB 201914958
16.10.2019 EP 19203640
31.03.2020 GB 202004768
31.03.2020 GB 202004769
26.06.2020 WO PCT/EP2020/068165
26.06.2020 GB 202009825
13.10.2020 WO PCT/GB2020/052547

(43) Date of publication of application:
24.08.2022 Bulletin 2022/34

(73) Proprietor: Johnson Matthey Public Limited Company
London EC4A 4AB (GB)

(72) Inventors:
  • CHIFFEY, Andrew Francis
    Royston Hertfordshire SG8 5HE (GB)
  • COLE, Kieran
    Royston Hertfordshire SG8 5HE (GB)
  • COOPER, Oliver
    Royston Hertfordshire SG8 5HE (GB)
  • DALY, Christopher
    Royston Hertfordshire SG8 5HE (GB)
  • EDVARDSSON, Jonas
    42131 Gothenburg (SE)
  • GILBERT, Lee
    Royston Hertfordshire SG8 5HE (GB)
  • GREEN, Alexander
    Royston Hertfordshire SG8 5HE (GB)
  • GREENHAM, Neil
    Royston Hertfordshire SG8 5HE (GB)
  • HANLEY, Robert
    Royston Hertfordshire SG8 5HE (GB)
  • JENKINS, Caitlin
    Royston Hertfordshire SG8 5HE (GB)
  • MARSH, Per
    42131 Gothenburg (SE)
  • MICALLEF, David
    Royston Hertfordshire SG8 5HE (GB)
  • MOREAU, Francois
    Royston Hertfordshire SG8 5HE (GB)
  • PLATT, George
    Royston Hertfordshire SG8 5HE (GB)
  • PHILLIPS, Paul Richard
    Royston Herfordshire SG8 5HE (GB)
  • WYLIE, James
    Royston Hertfordshire SG8 5HE (GB)

(74) Representative: Johnson Matthey Plc 
Belasis Avenue
Billingham TS23 1LB
Billingham TS23 1LB (GB)


(56) References cited: : 
EP-A1- 3 356 659
US-A1- 2017 189 854
 US-A1- 2011 286 900
US-A1- 2018 280 877
   
       
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).